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Mark internal wchar functions with attribute_hidden [BZ #18822]
Mark internal wchar functions with attribute_hidden to allow direct access within libc.so and libc.a without using GOT nor PLT. [BZ #18822] * include/wchar.h (__wcsnlen): Add attribute_hidden. (__wcscat): Likewise. (__btowc): Likewise. (__wcrtomb): Likewise. (__mbsrtowcs): Likewise. (__wcsrtombs): Likewise. (__mbsnrtowcs): Likewise. (__wcsnrtombs): Likewise. (__wcsncpy): Likewise. (__wcpncpy): Likewise. (__wmemcpy): Likewise. (__wmempcpy): Likewise. (__wmemmove): Likewise. (__wcschrnul): Likewise. (__vfwscanf): Likewise. (__vswprintf): Likewise. (__fwprintf): Likewise. (__vfwprintf): Likewise.
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H.J. Lu
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ChangeLog
22
ChangeLog
@ -1,3 +1,25 @@
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2017-10-01 H.J. Lu <hongjiu.lu@intel.com>
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[BZ #18822]
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* include/wchar.h (__wcsnlen): Add attribute_hidden.
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(__wcscat): Likewise.
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(__btowc): Likewise.
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(__wcrtomb): Likewise.
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(__mbsrtowcs): Likewise.
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(__wcsrtombs): Likewise.
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(__mbsnrtowcs): Likewise.
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(__wcsnrtombs): Likewise.
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(__wcsncpy): Likewise.
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(__wcpncpy): Likewise.
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(__wmemcpy): Likewise.
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(__wmempcpy): Likewise.
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(__wmemmove): Likewise.
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(__wcschrnul): Likewise.
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(__vfwscanf): Likewise.
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(__vswprintf): Likewise.
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(__fwprintf): Likewise.
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(__vfwprintf): Likewise.
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2017-10-01 H.J. Lu <hongjiu.lu@intel.com>
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[BZ #18822]
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@ -152,9 +152,10 @@ extern int __wcsncasecmp (const wchar_t *__s1, const wchar_t *__s2,
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__attribute_pure__;
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extern size_t __wcslen (const wchar_t *__s) __attribute_pure__;
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extern size_t __wcsnlen (const wchar_t *__s, size_t __maxlen)
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__attribute_pure__;
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extern wchar_t *__wcscat (wchar_t *dest, const wchar_t *src);
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extern wint_t __btowc (int __c);
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attribute_hidden __attribute_pure__;
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extern wchar_t *__wcscat (wchar_t *dest, const wchar_t *src)
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attribute_hidden;
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extern wint_t __btowc (int __c) attribute_hidden;
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extern int __mbsinit (const __mbstate_t *__ps);
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extern size_t __mbrtowc (wchar_t *__restrict __pwc,
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const char *__restrict __s, size_t __n,
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@ -162,34 +163,39 @@ extern size_t __mbrtowc (wchar_t *__restrict __pwc,
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libc_hidden_proto (__mbrtowc)
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libc_hidden_proto (__mbrlen)
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extern size_t __wcrtomb (char *__restrict __s, wchar_t __wc,
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__mbstate_t *__restrict __ps);
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__mbstate_t *__restrict __ps) attribute_hidden;
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extern size_t __mbsrtowcs (wchar_t *__restrict __dst,
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const char **__restrict __src,
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size_t __len, __mbstate_t *__restrict __ps);
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size_t __len, __mbstate_t *__restrict __ps)
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attribute_hidden;
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extern size_t __wcsrtombs (char *__restrict __dst,
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const wchar_t **__restrict __src,
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size_t __len, __mbstate_t *__restrict __ps);
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size_t __len, __mbstate_t *__restrict __ps)
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attribute_hidden;
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extern size_t __mbsnrtowcs (wchar_t *__restrict __dst,
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const char **__restrict __src, size_t __nmc,
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size_t __len, __mbstate_t *__restrict __ps);
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size_t __len, __mbstate_t *__restrict __ps)
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attribute_hidden;
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extern size_t __wcsnrtombs (char *__restrict __dst,
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const wchar_t **__restrict __src,
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size_t __nwc, size_t __len,
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__mbstate_t *__restrict __ps);
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__mbstate_t *__restrict __ps)
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attribute_hidden;
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extern wchar_t *__wcsncpy (wchar_t *__restrict __dest,
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const wchar_t *__restrict __src, size_t __n);
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const wchar_t *__restrict __src, size_t __n)
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attribute_hidden;
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extern wchar_t *__wcpcpy (wchar_t *__dest, const wchar_t *__src);
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extern wchar_t *__wcpncpy (wchar_t *__dest, const wchar_t *__src,
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size_t __n);
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size_t __n) attribute_hidden;
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extern wchar_t *__wmemcpy (wchar_t *__s1, const wchar_t *s2,
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size_t __n);
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size_t __n) attribute_hidden;
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extern wchar_t *__wmempcpy (wchar_t *__restrict __s1,
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const wchar_t *__restrict __s2,
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size_t __n);
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size_t __n) attribute_hidden;
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extern wchar_t *__wmemmove (wchar_t *__s1, const wchar_t *__s2,
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size_t __n);
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size_t __n) attribute_hidden;
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extern wchar_t *__wcschrnul (const wchar_t *__s, wchar_t __wc)
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__attribute_pure__;
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attribute_hidden __attribute_pure__;
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extern wchar_t *__wmemset_chk (wchar_t *__s, wchar_t __c, size_t __n,
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size_t __ns) __THROW;
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@ -197,17 +203,21 @@ extern wchar_t *__wmemset_chk (wchar_t *__s, wchar_t __c, size_t __n,
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extern int __vfwscanf (__FILE *__restrict __s,
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const wchar_t *__restrict __format,
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__gnuc_va_list __arg)
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attribute_hidden
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/* __attribute__ ((__format__ (__wscanf__, 2, 0)) */;
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extern int __vswprintf (wchar_t *__restrict __s, size_t __n,
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const wchar_t *__restrict __format,
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__gnuc_va_list __arg)
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attribute_hidden
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/* __attribute__ ((__format__ (__wprintf__, 3, 0))) */;
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extern int __fwprintf (__FILE *__restrict __s,
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const wchar_t *__restrict __format, ...)
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attribute_hidden
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/* __attribute__ ((__format__ (__wprintf__, 2, 3))) */;
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extern int __vfwprintf (__FILE *__restrict __s,
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const wchar_t *__restrict __format,
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__gnuc_va_list __arg)
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attribute_hidden
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/* __attribute__ ((__format__ (__wprintf__, 2, 0))) */;
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extern int __vfwprintf_chk (FILE *__restrict __s, int __flag,
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const wchar_t *__restrict __format,
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